A facile, stereoselective preparation of ()-2,4-pentadienoates by favorskii rearrangement
作者:Thomas A Engler、Wolfgang Falter
DOI:10.1016/s0040-4039(00)84924-2
日期:1986.1
Reaction of 1,3,4-tribromo-2-alkanones, efficiently prepared by direct bromination of the parent enone, with methanolic sodium methoxide gives methyl ()-2,4-pentadienoates with high () selectivity about the α,β-double bond.